"Wang, Mary Y" <mary.y.wang@xxxxxxxxxx> writes: > Can someone provide a link to the Postgres 8.x documentation that provides information about Null vs. Empty String? > Here is the situation: > Currently, the source code performs the following SQL statement : > UPDATE user_group set subversion_flags='' WHERE user_id='5818' AND group_id='438'; > (This SQL statement worked in a very old version of Postgres) > and pgsql 8.3.8 returned ERROR: invalid input syntax for integer: "" You were not getting a NULL there. You were getting an integer zero, as a result of sloppy input checking in the integer-input routine. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
